Search a number
-
+
290331065383632 = 243371327910097127
BaseRepresentation
bin100001000000011011111100…
…0000001001111101011010000
31102001222101020010122100202000
41002000313320001033223100
5301023241010214234012
62505252130011154000
7115103504311333530
oct10200677001175320
91361871203570660
10290331065383632
1184565793548279
1228690132445900
13c6001430c0a00
14519a1545814c0
15238729d4ecddc
hex1080df804fad0

290331065383632 has 960 divisors, whose sum is σ = 1045542795264000. Its totient is φ = 75516054921216.

The previous prime is 290331065383573. The next prime is 290331065383637. The reversal of 290331065383632 is 236383560133092.

290331065383632 is a `hidden beast` number, since 2 + 9 + 0 + 33 + 10 + 6 + 538 + 3 + 63 + 2 = 666.

It is a super-2 number, since 2×2903310653836322 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290331065383637) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 40736781253 + ... + 40736788379.

It is an arithmetic number, because the mean of its divisors is an integer number (1089107078400).

Almost surely, 2290331065383632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290331065383632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522771397632000).

290331065383632 is an abundant number, since it is smaller than the sum of its proper divisors (755211729880368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290331065383632 is a wasteful number, since it uses less digits than its factorization.

290331065383632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 54.

The spelling of 290331065383632 in words is "two hundred ninety trillion, three hundred thirty-one billion, sixty-five million, three hundred eighty-three thousand, six hundred thirty-two".